1use std::io;
2
3use bytes::{Buf, Bytes, BytesMut};
4
5use super::{Decoder, Encoder};
6
7#[derive(Debug, Copy, Clone)]
9pub struct BytesCodec;
10
11impl Encoder<Bytes> for BytesCodec {
12 type Error = io::Error;
13
14 #[inline]
15 fn encode(&mut self, item: Bytes, dst: &mut BytesMut) -> Result<(), Self::Error> {
16 dst.extend_from_slice(item.chunk());
17 Ok(())
18 }
19}
20
21impl Decoder for BytesCodec {
22 type Item = BytesMut;
23 type Error = io::Error;
24
25 fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
26 if src.is_empty() {
27 Ok(None)
28 } else {
29 Ok(Some(src.split()))
30 }
31 }
32}